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  <h1>Polly: Polyhedral Phone Call</h1>
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  <p>There are irregular phone calls to discuss polyhedral topics and
     related projects. For this we use a conference service that can be
     reached both through SIP clients and international dial in numbers.</p>

 <ul>
 <li><b>VoIP/SIP:</b> sip:000777polyhedral@iptel.org<br />
    <a href="https://www.ekiga.org">Ekiga</a> is a SIP client that works well for
    most of us.</li>
 <li><b>Traditional Dial In Numbers:</b><br />
    To use your normal land line phone to connect to the conference dial
    one of the many available <a
    href="http://www.sipbroker.com/sipbroker/action/pstnNumbers">dial in
    numbers</a>. When asked for the number to connect type: <em>*011497659</em>.
    <br />
    Attention: Some of the dial in numbers do not work reliably. If you are not
    asked for the number you want to connect to after a couple of seconds, just
    try another one. <br/>
    Some selected dial in numbers:
    <ul>
    <li><b>USA:</b> +1-443-524-7370, +1-702-553-2797 </li>
    <li><b>UK:</b> +44-151-601-8747, +44-115-871-8347</li>
    <li><b>Belgium:</b> +32-4-2680133, +32-9-2980106</li>
    </ul>

    </ul>

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